Home / 21,349,470.65-32,023,918.92-5,175,561.35

Finding the Fourth Proportional to 21,349,470.65, 32,023,918.92 and 5,175,561.35

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Solution

The fourth proportional to 21,349,470.65, 32,023,918.92 and 5,175,561.35 is: 7,763,272.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,349,470.65 : 32,023,918.92 = 5,175,561.35 : x
  2. Step 2: Convert to fraction form
    21,349,470.65/32,023,918.92 = 5,175,561.35/x
  3. Step 3: Cross multiply
    21,349,470.65x = 32,023,918.92 × 5,175,561.35
  4. Step 4: Simplify right side
    21,349,470.65x = 165,741,757,137,353.88
  5. Step 5: Solve for x
    x = 165,741,757,137,353.88/21,349,470.65
  6. Step 6: Final answer
    x = 7,763,272.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.